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FOUR-WAY | 77
Four-W
ay Ceiling Cassette Product Data
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• Data is valid under diffuse field conditions.
• Data is valid under nominal operating conditions.
• Sound power level is measured using rated conditions, and tested
in a reverberation room per ISO 3741 standards.
• Sound level will vary depending on a range of factors such as
construction (acoustic absorption coefficient) of particular area in
which the equipment is installed.
•
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2
FOUR-WAY CEILING CASSETTE
Acoustic Data
Sound Power Levels
Table 39: Four-Way Ceiling Cassette Indoor Unit Sound Power Levels.
Figure 47: ARNU053TRD4, ARNU073TRD4, and ARNU093TRD4 Sound Power Level Diagrams.
ARNU053TRD4
ARNU073TRD4
ARNU093TRD4
Model
Sound Pressure Levels dB(A)
High Fan Speed
[)UDPHV
ARNU053TRD4
46.0
ARNU073TRD4
46.0
ARNU093TRD4
47.0
ARNU123TRD4
48.0
ARNU153TQD4
51.0
ARNU183TQD4
52.0
[)ULJK
ARNU243TPC4
55.0
ARNU283TPC4
56.0
3' x 3'
)ULJK
ARNU073TNA4
44.0
ARNU093TNA4
44.0
ARNU123TNA4
46.0
ARNU153TNA4
47.0
ARNU183TNA4
48.0
ARNU243TNA4
58.0
ARNU363TNC4
62.0
[)ULJK
ARNU243TMA4
56.0
ARNU283TMA4
56.0
ARNU363TMA4
63.0
ARNU423TMC4
63.0
ARNU483TMC4
65.0